None of the low-rise portions were ever built to support more than themselves, so new foundation it is. I have to imagine it'll look very similar to the Mandarin Oriental's construction (for those whose memories goes back that far).
EDIT: KZ beat me to the punch.
Also, in flickr, if you click Share, and select BBCode you can directly copy what's in the field into this message board. Be sure to adjust the size (the text in the box below will automatically update) accordingly.